Join Serpentine

Serpentine is central London's running, athletics and triathlon club. We welcome everyone from age 8 upwards whether they be complete beginners, national level athletes or anything in-between. If you want to try us out before joining we suggest:

Why Join Serpentine? You can find out more about the club in our About us section, and there's more information for runners, track & field athletes and triathletes in those sections too. Membership costs are listed on our sign-up page.

Join Serpentine

If you are already one of our members, please login using the button above.


Last Friday of the Month 5k - 22 February

The 22 February race has sold out and no further entries can be taken.  You can enter the 29 March race online via RunBritain at

Last Half of the London Marathon training run Sunday 14th April 2019

This year’s training run will take place on Sunday 14 April 2019 and start at 9am from Tower Hill tube station.

12 and 6 stage road relays - sign up now!

The South of England SEAA 12 stage (men) and 6 stage (women) road relays will be held at Milton Keynes track on Sunday 24th March 2018, followed by the ERRA National 12 & 6 stage relays at Sutton Coldfield on Saturday 6th April SIGN UP NOW

Discounted entry for Maidenhead Half Marathon (club champs)

The organisers of the Maidenhead Half Marathon, in which we will hold our club champs race on 1 September, have kindly offered a 20% discount on all entries for Serpentine members.